Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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A Study of Long Term Recording Reserved Type Material by Using Glass Micro-structure

유리의 미세구조를 이용한 장기보존형 기록재료에 관한 연구

  • Lee, Kang-Taek (School of Materials Science and Engineering, Pusan National University) ;
  • Yoon, Duk-Ki (School of Materials Science and Engineering, Pusan National University) ;
  • Chin, Hyun-Ju (School of Materials Science and Engineering, Pusan National University) ;
  • Choi, Kwang-Hoon (School of Materials Science and Engineering, Pusan National University) ;
  • Lee, Kyu-Ho (School of Materials Science and Engineering, Pusan National University) ;
  • Kim, Hyun-Gyu (Busan Center, Korea Basic Science Institute) ;
  • Ryu, Bong-Ki (Busan Center, Korea Basic Science Institute)
  • Published : 2006.12.27
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Abstract

Recently, there are a lot of study to alternate polycarbonate which is being used as storage material in CD, DVD. In this study, we alternated polycarbonate with glass. We observed the change of shape in a surface of the glass which was focused by Nd:YAG Laser. The change of shape and property was studied by thermal mechanical analysis (TMA), UV-Vis spectrometer, AFM and SEM. According to Laser power and quantity of additives, the Bump's size and shape are showed differently. In high energy, the Bump will be transformed into Pit. And also according to CTE, $T_d$ and absorption ratio of glass, difference between Bump and Pit is confirmed. From these investigation, we could control that the minimum size of bump which is more useful shape than pit's is about 1.3 $\mu$m, H 70 nm, and it is near same the spot size.

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References

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